You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

200 lines
8.7 KiB

/*
* Copyright (C) 2020 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define LOG_TAG "pixelstats: BatteryEEPROM"
#include <log/log.h>
#include <time.h>
#include <utils/Timers.h>
#include <cinttypes>
#include <cmath>
#include <android-base/file.h>
#include <pixelstats/BatteryEEPROMReporter.h>
#include <hardware/google/pixel/pixelstats/pixelatoms.pb.h>
namespace android {
namespace hardware {
namespace google {
namespace pixel {
using aidl::android::frameworks::stats::VendorAtom;
using aidl::android::frameworks::stats::VendorAtomValue;
using android::base::ReadFileToString;
using android::hardware::google::pixel::PixelAtoms::BatteryEEPROM;
#define LINESIZE 71
BatteryEEPROMReporter::BatteryEEPROMReporter() {}
void BatteryEEPROMReporter::checkAndReport(const std::shared_ptr<IStats> &stats_client,
const std::string &path) {
std::string file_contents;
std::string history_each;
const int kSecondsPerMonth = 60 * 60 * 24 * 30;
int64_t now = getTimeSecs();
if ((report_time_ != 0) && (now - report_time_ < kSecondsPerMonth)) {
ALOGD("Not upload time. now: %" PRId64 ", pre: %" PRId64, now, report_time_);
return;
}
if (!ReadFileToString(path.c_str(), &file_contents)) {
ALOGE("Unable to read %s - %s", path.c_str(), strerror(errno));
return;
}
ALOGD("checkAndReport: %s", file_contents.c_str());
int16_t i, num;
struct BatteryHistory hist;
const int kHistTotalLen = strlen(file_contents.c_str());
for (i = 0; i < (LINESIZE * BATT_HIST_NUM_MAX); i = i + LINESIZE) {
if (i + LINESIZE > kHistTotalLen)
break;
history_each = file_contents.substr(i, LINESIZE);
num = sscanf(history_each.c_str(),
"%4" SCNx16 "%4" SCNx16 "%4" SCNx16 "%4" SCNx16
"%2" SCNx8 "%2" SCNx8 " %2" SCNx8 "%2" SCNx8
"%2" SCNx8 "%2" SCNx8 " %2" SCNx8 "%2" SCNx8
"%2" SCNx8 "%2" SCNx8 " %4" SCNx16 "%4" SCNx16
"%4" SCNx16 "%4" SCNx16 "%4" SCNx16,
&hist.cycle_cnt, &hist.full_cap, &hist.esr,
&hist.rslow, &hist.batt_temp, &hist.soh,
&hist.cc_soc, &hist.cutoff_soc, &hist.msoc,
&hist.sys_soc, &hist.reserve, &hist.batt_soc,
&hist.min_temp, &hist.max_temp, &hist.max_vbatt,
&hist.min_vbatt, &hist.max_ibatt, &hist.min_ibatt,
&hist.checksum);
if (num != kNumBatteryHistoryFields) {
ALOGE("Couldn't process %s", history_each.c_str());
continue;
}
if (checkLogEvent(hist)) {
reportEvent(stats_client, hist);
report_time_ = getTimeSecs();
}
}
}
int64_t BatteryEEPROMReporter::getTimeSecs(void) {
return nanoseconds_to_seconds(systemTime(SYSTEM_TIME_BOOTTIME));
}
/**
* @return true if a log should be reported, else false.
* Here we use checksum to confirm the data is usable or not.
* The checksum mismatch when storage data overflow or corrupt.
* We don't need data in such cases.
*/
bool BatteryEEPROMReporter::checkLogEvent(struct BatteryHistory hist) {
int checksum = 0;
checksum = hist.cycle_cnt + hist.full_cap + hist.esr + hist.rslow
+ hist.soh + hist.batt_temp + hist.cutoff_soc + hist.cc_soc
+ hist.sys_soc + hist.msoc + hist.batt_soc + hist.reserve
+ hist.max_temp + hist.min_temp + hist.max_vbatt
+ hist.min_vbatt + hist.max_ibatt + hist.min_ibatt;
/* Compare with checksum data */
if (checksum == hist.checksum) {
return true;
} else {
return false;
}
}
void BatteryEEPROMReporter::reportEvent(const std::shared_ptr<IStats> &stats_client,
const struct BatteryHistory &hist) {
// upload atom
const std::vector<int> eeprom_history_fields = {
BatteryEEPROM::kCycleCntFieldNumber, BatteryEEPROM::kFullCapFieldNumber,
BatteryEEPROM::kEsrFieldNumber, BatteryEEPROM::kRslowFieldNumber,
BatteryEEPROM::kSohFieldNumber, BatteryEEPROM::kBattTempFieldNumber,
BatteryEEPROM::kCutoffSocFieldNumber, BatteryEEPROM::kCcSocFieldNumber,
BatteryEEPROM::kSysSocFieldNumber, BatteryEEPROM::kMsocFieldNumber,
BatteryEEPROM::kBattSocFieldNumber, BatteryEEPROM::kReserveFieldNumber,
BatteryEEPROM::kMaxTempFieldNumber, BatteryEEPROM::kMinTempFieldNumber,
BatteryEEPROM::kMaxVbattFieldNumber, BatteryEEPROM::kMinVbattFieldNumber,
BatteryEEPROM::kMaxIbattFieldNumber, BatteryEEPROM::kMinIbattFieldNumber,
BatteryEEPROM::kChecksumFieldNumber};
ALOGD("reportEvent: cycle_cnt:%d, full_cap:%d, esr:%d, rslow:%d, soh:%d, "
"batt_temp:%d, cutoff_soc:%d, cc_soc:%d, sys_soc:%d, msoc:%d, "
"batt_soc:%d, reserve:%d, max_temp:%d, min_temp:%d, max_vbatt:%d, "
"min_vbatt:%d, max_ibatt:%d, min_ibatt:%d, checksum:%d",
hist.cycle_cnt, hist.full_cap, hist.esr, hist.rslow, hist.soh, hist.batt_temp,
hist.cutoff_soc, hist.cc_soc, hist.sys_soc, hist.msoc, hist.batt_soc, hist.reserve,
hist.max_temp, hist.min_temp, hist.max_vbatt, hist.min_vbatt, hist.max_ibatt,
hist.min_ibatt, hist.checksum);
std::vector<VendorAtomValue> values(eeprom_history_fields.size());
VendorAtomValue val;
val.set<VendorAtomValue::intValue>(hist.cycle_cnt);
values[BatteryEEPROM::kCycleCntFieldNumber - kVendorAtomOffset] = val;
val.set<VendorAtomValue::intValue>(hist.full_cap);
values[BatteryEEPROM::kFullCapFieldNumber - kVendorAtomOffset] = val;
val.set<VendorAtomValue::intValue>(hist.esr);
values[BatteryEEPROM::kEsrFieldNumber - kVendorAtomOffset] = val;
val.set<VendorAtomValue::intValue>(hist.rslow);
values[BatteryEEPROM::kRslowFieldNumber - kVendorAtomOffset] = val;
val.set<VendorAtomValue::intValue>(hist.soh);
values[BatteryEEPROM::kSohFieldNumber - kVendorAtomOffset] = val;
val.set<VendorAtomValue::intValue>(hist.batt_temp);
values[BatteryEEPROM::kBattTempFieldNumber - kVendorAtomOffset] = val;
val.set<VendorAtomValue::intValue>(hist.cutoff_soc);
values[BatteryEEPROM::kCutoffSocFieldNumber - kVendorAtomOffset] = val;
val.set<VendorAtomValue::intValue>(hist.cc_soc);
values[BatteryEEPROM::kCcSocFieldNumber - kVendorAtomOffset] = val;
val.set<VendorAtomValue::intValue>(hist.sys_soc);
values[BatteryEEPROM::kSysSocFieldNumber - kVendorAtomOffset] = val;
val.set<VendorAtomValue::intValue>(hist.msoc);
values[BatteryEEPROM::kMsocFieldNumber - kVendorAtomOffset] = val;
val.set<VendorAtomValue::intValue>(hist.batt_soc);
values[BatteryEEPROM::kBattSocFieldNumber - kVendorAtomOffset] = val;
val.set<VendorAtomValue::intValue>(hist.reserve);
values[BatteryEEPROM::kReserveFieldNumber - kVendorAtomOffset] = val;
val.set<VendorAtomValue::intValue>(hist.max_temp);
values[BatteryEEPROM::kMaxTempFieldNumber - kVendorAtomOffset] = val;
val.set<VendorAtomValue::intValue>(hist.min_temp);
values[BatteryEEPROM::kMinTempFieldNumber - kVendorAtomOffset] = val;
val.set<VendorAtomValue::intValue>(hist.max_vbatt);
values[BatteryEEPROM::kMaxVbattFieldNumber - kVendorAtomOffset] = val;
val.set<VendorAtomValue::intValue>(hist.min_vbatt);
values[BatteryEEPROM::kMinVbattFieldNumber - kVendorAtomOffset] = val;
val.set<VendorAtomValue::intValue>(hist.max_ibatt);
values[BatteryEEPROM::kMaxIbattFieldNumber - kVendorAtomOffset] = val;
val.set<VendorAtomValue::intValue>(hist.min_ibatt);
values[BatteryEEPROM::kMinIbattFieldNumber - kVendorAtomOffset] = val;
val.set<VendorAtomValue::intValue>(hist.checksum);
values[BatteryEEPROM::kChecksumFieldNumber - kVendorAtomOffset] = val;
VendorAtom event = {.reverseDomainName = PixelAtoms::ReverseDomainNames().pixel(),
.atomId = PixelAtoms::Atom::kBatteryEeprom,
.values = std::move(values)};
const ndk::ScopedAStatus ret = stats_client->reportVendorAtom(event);
if (!ret.isOk())
ALOGE("Unable to report BatteryEEPROM to Stats service");
}
} // namespace pixel
} // namespace google
} // namespace hardware
} // namespace android